PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

This is a tutorial on how to read 2012 BMW 3 series ECU with PCMTUNER Tool on  bench. Due to data loss, we should get ISN from EEPROM to repair CAS data. For other cases of ECU reading may follow the same way.

 

Procedure

Step1. Connect ECU to PCMTUNER

  1. Start PCMTUNER software to search ECU model. (Users can send customer service ECU outside label to get corresponding specific model if in need).

In this case, it’s BOSCH MEV17.2.1.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 1 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

  1. Check ECU Model & Connection Diagram

BENCH >> INSTRUCTION

Here we can check if the selected ECU model is correct.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 2 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

pcmtuner read bmw bosch mev17 2 1 ecu on bench 3 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

pcmtuner read bmw bosch mev17 2 1 ecu on bench 4 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

  1. And connect PCMTUNER to ECU according to diagram.

*It should be noted that wire connection is based on instructions rather than colors.

Eg. 1a/1b represents ECU position; A1/A4 represents wire tag.

 

  1. Record MCT No.

It’s TC1796, in the connection instruction.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 5 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

Step2. Read ECU

Go into “READ and WRITE” to select options;

ECU: MEDE17(TC1762/1766/1792/1796)EEPROM

Click “Read”.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 6 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

Would you like to use automatic power control (L-Line)? Yes.

Reading data successfully.

Save EEPROM data.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 7 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

pcmtuner read bmw bosch mev17 2 1 ecu on bench 8 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

Now we can find out ISN in EEPROM to repair BMW data.

pcmtuner read bmw bosch mev17 2 1 ecu on bench 9 - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench - PCMTUNER Read BMW BOSCH MEV17.2.1 ECU on Bench

 

This is how to use PCMTUNER ECU Programmer to read BOSCH MEV17.2.1 on bench.

Read also:

PCMTUNER or CGDI FC200 ECU Programmer, Which to Buy?

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